package org.csmzxy.class2333;
class BankAccount {
    String accountNumber;
    double balance;
    public void broadcast(String accountNumber,double balance){
        System.out.println("账户"+accountNumber+"的余额为"+balance+"元");
    }
}

public class Example03 {
    public  static void main(String[] args){
        BankAccount account = new BankAccount();
        account.accountNumber = "123456";
        account.balance= -500;
        account.broadcast(account.accountNumber,account.balance);
    }
}
